Porch swing back portion



FIG. 1 is an upper perspective view of a porch swing back portion showing my new design.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The features presented in broken lines represent unclaimed portions of the porch swing back portion and unclaimed elements of a porch swing and form no part of the claimed design. 

CLAIM The ornamental design for a porch swing back portion, as shown and described. 